Decoupled water splitting technologies: from redox mediators to renewable energy integration

Key Points

• The aim is to address challenges in traditional water electrolysis and explore alternatives for better integration with renewable energy.
• Evaluated traditional water electrolysis techniques.
• Assessed the use of redox mediators as alternatives.
• Analyzed the impact of renewable energy source fluctuations.
• Identified significant risks associated with gas crossover in electrolysis.
• Highlighted high costs of membranes and noble metal catalysts.
• Described limitations in adapting to renewable energy variations.